package two2;

import java.util.Scanner;

public class nianjihao {
    public static void main(String[] args) {
        int a;
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入你的年纪数,例如1,2,3,4");
        a= scanner.nextInt();
        if (a==1){
            System.out.println("你是大一");
        }
        if (a==2){
            System.out.println("你是大er");
        }
        if (a==3){
            System.out.println("你是大三");
        }
        if (a==4){
            System.out.println("你是大四");
        }
    }
}
